EN ISO 17879-2017 en Gas cylinders - Self-closing cylinder valves - Specification and type testing.pdf

1、Gas cylinders - Self-closing cylinder valves - Specification and type testing (ISO 17879:2017)BS EN ISO 17879:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 17879 August 2017 ICS 23.020.35 English Version

2、Gas cylinders - Self-closing cylinder valves - Specification and type testing (ISO 17879:2017) Bouteilles gaz - Robinets de bouteilles quips de clapets auto-obturants - Spcifications et essais de type (ISO 17879:2017) Gasflaschen - Selbstschlieende Flaschenventile - Spezifikation und Baumusterprfung

3、 (ISO 17879:2017) This European Standard was approved by CEN on 26 June 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibl

4、iographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the respon

5、sibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Repu

6、blic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN

7、DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 17879:2017 ENational forewordThis British Standard is the UK

8、implementation of EN ISO 17879:2017. It is identical to ISO 17879:2017.The UK participation in its preparation was entrusted to Technical Committee PVE/3/1, Gas containers - Valve fittings for gas containers.A list of organizations represented on this committee can be obtained on request to its secr

9、etary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 86649 4ICS 23.020.30; 23.020.35Compliance with a British Stan

10、dard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN ISO 17879:2017EUROPEAN STANDARD NORME E

11、UROPENNE EUROPISCHE NORM EN ISO 17879 August 2017 ICS 23.020.35 English Version Gas cylinders - Self-closing cylinder valves - Specification and type testing (ISO 17879:2017) Bouteilles gaz - Robinets de bouteilles quips de clapets auto-obturants - Spcifications et essais de type (ISO 17879:2017) Ga

12、sflaschen - Selbstschlieende Flaschenventile - Spezifikation und Baumusterprfung (ISO 17879:2017) This European Standard was approved by CEN on 26 June 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the

13、 status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, Frenc

14、h, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria,

15、Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

16、Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Member

17、s. Ref. No. EN ISO 17879:2017 EBS EN ISO 17879:2017EN ISO 17879:2017 (E) 3 European foreword This document (EN ISO 17879:2017) has been prepared by Technical Committee ISO/TC 58 “Gas cylinders” in collaboration with Technical Committee CEN/TC 23 “Transportable gas cylinders” the secretariat of which

18、 is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2018, and conflicting national standards shall be withdrawn at the latest by February 2018. Attention is drawn to the poss

19、ibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. Ac

20、cording to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germa

21、ny, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 17879:2017 has been approved by CEN as EN ISO

22、17879:2017 without any modification. ISO 17879:2017(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. E

23、ach member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the Internati

24、onal Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the differen

25、t types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall

26、 not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents).Any trade name used in this document

27、is information given for the convenience of users and does not constitute an endorsement.For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organiz

28、ation (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www .iso .org/ iso/ foreword .html.This document was prepared by Technical Committee ISO/TC 58, Gas cylinders, Subcommittee SC 2, Cylinder fittings.iv ISO 2017 All rights reservedBS EN ISO 17879:2017ISO 17879:2017

29、(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a

30、 technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matte

31、rs of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This docu

32、ment was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all

33、 such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents).Any trade name used in this document is information given for the convenience of users a

34、nd does not constitute an endorsement.For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to

35、 Trade (TBT) see the following URL: www .iso .org/ iso/ foreword .html.This document was prepared by Technical Committee ISO/TC 58, Gas cylinders, Subcommittee SC 2, Cylinder fittings.iv ISO 2017 All rights reservedBS EN ISO 17879:2017ISO 17879:2017(E)IntroductionThis document covers the function of

36、 a self-closing cylinder valve as a closure (defined by the UN Model Regulations). Additional features of self-closing cylinder valves (e.g. pressure relief devices) might be covered by other standards and/or regulations.Self-closing cylinder valves conforming to this document can be expected to per

37、form satisfactorily under normal service conditions.This document pays particular attention to:a) suitability of materials;b) safety (mechanical strength, impact strength, endurance, leak tightness, resistance to ignition, resistance to acetylene flashback);c) testing;d) marking;e) manufacturing tes

38、ts and examinations.In this document, the unit bar is used due to its universal use in the field of technical gases. It should, however, be noted that bar is not an SI unit, and that the corresponding SI unit for pressure is Pa (1 bar = 105Pa = 105N/m2).Pressure values in this document are given as

39、gauge pressure (pressure exceeding atmospheric pressure) unless noted otherwise. ISO 2017 All rights reserved vBS EN ISO 17879:2017ISO 17879:2017(E)IntroductionThis document covers the function of a self-closing cylinder valve as a closure (defined by the UN Model Regulations). Additional features o

40、f self-closing cylinder valves (e.g. pressure relief devices) might be covered by other standards and/or regulations.Self-closing cylinder valves conforming to this document can be expected to perform satisfactorily under normal service conditions.This document pays particular attention to:a) suitab

41、ility of materials;b) safety (mechanical strength, impact strength, endurance, leak tightness, resistance to ignition, resistance to acetylene flashback);c) testing;d) marking;e) manufacturing tests and examinations.In this document, the unit bar is used due to its universal use in the field of tech

42、nical gases. It should, however, be noted that bar is not an SI unit, and that the corresponding SI unit for pressure is Pa (1 bar = 105Pa = 105N/m2).Pressure values in this document are given as gauge pressure (pressure exceeding atmospheric pressure) unless noted otherwise. ISO 2017 All rights res

43、erved vBS EN ISO 17879:2017Gas cylinders Self-closing cylinder valves Specification and type testing1 ScopeThis document specifies the design, type testing, marking and manufacturing tests and examinations requirements for self-closing cylinder valves intended to be fitted to refillable transportabl

44、e gas cylinders which convey compressed, liquefied or dissolved gases.NOTE 1 The main applications for such self-closing cylinder valves are in the calibration gas and beverage industries.This document covers the function of a self-closing cylinder valve as a closure.NOTE 2 Requirements for standard

45、 cylinder valves are given in ISO 10297. Requirements for quick-release cylinder valves are given in ISO 17871.This document is not applicable to self-closing cylinder valves for cryogenic equipment, for portable fire extinguishers, or for liquefied petroleum gas (LPG).NOTE 3 Requirements for valves

46、 for cryogenic vessels are specified in ISO 21011 and at a regional level, for example, in EN 1626. Requirements for valves for portable fire extinguishers at a regional level are specified, for example, in EN 3 series. Requirements for self-closing LPG cylinder valves are specified in ISO 14245.NOT

47、E 4 Additional requirements for pressure-relief devices might be specified in international/regional regulations/standards.2 Normative referencesThe following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated re

48、ferences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 10286, Gas cylinders TerminologyISO 10297:2014, Gas cylinders Cylinder valves Specification and type testingISO 10524-3, Pressure regulators for use

49、with medical gases Part 3: Pressure regulators integrated with cylinder valvesISO 11114-1, Gas cylinders Compatibility of cylinder and valve materials with gas contents Part 1: Metallic materialsISO 11114-2, Gas cylinders Compatibility of cylinder and valve materials with gas contents Part 2: Non-metallic materialsISO 13341, Gas cylinders Fitting of valves to gas cylindersISO 14246, Gas cylinders Cylinder valves Manufacturing tests and examinationsISO 22435, Gas cylinders Cylinder valves with integrated pressure regul